Trail Running Calendar Washington 2026-2027

We have found 173 Trailruns in Washington. Check below where and when you can find the races.

A ruck style trail event at Crystal Mountain Resort on June 27, 2026, offering three distances with a 20 lb dry load and elevation gains listed up to 5,629 ft.

Trail races of 5 mile, half marathon and 50K through Tiger Mountain State Forest near Issaquah, WA. The half and 50K routes climb two of Tiger Mountain's peaks and include substantial elevation gain.

The Mountain Magic Trail Run - Mead, WA will take place in Mead on Sunday 28 June 2026. You can run between 5 and 35 kilometers.

July 2026

Trail out and back on the Sammamish River Trail from Bothell Landing offering a half marathon, a full marathon and a 50K. Water and snacks are available and finishers receive a wooden medal.

Choose a 5K or the 8K Hill Challenge on trails that cross Mossyrock Dam, with Riffe Lake views and a short cross-country section. Family pricing and youth rates are available; partial refunds permitted before June 13.

A trail ultrarun in Yacolt, WA on July 5, 2026 offering 50 mile, 50K and a Purgatory Trail Marathon. The route features an escorted transfer to Moulton Falls, technical Tarbell Trail loops, waterfalls and multiple aid stations.

An evening trail run at Seward Park on July 7, 2026, with **4.2 mile** and 10k loop options through old growth forest, an aid station on course, post-race food and awards, and participation in a youth trail series.

Trail races at Mission Ridge with 100 Miler, 50 Miler, half marathon and a kids race across ridgelines, gulches and Ponderosa forests, with significant elevation gain and single track terrain.

Mountain single-track trail races near Yakima with *25K* and *12K* options, ridgeline views of Mt. Rainier and Mt. Adams, aid stations on course and medals for top finishers.

OUTLAST Spokane is a six hour trail challenge where runners complete a 5K each hour. Complete all six laps to earn the OUTLAST medal and a place on the national leaderboard.

A multi-distance trail event at Cougar Mountain Regional Wildland Park near Seattle, featuring forested single-track, rolling hills and marshside trails. The 21st annual series supports King County Parks and includes a multi-race series com..

Mud Mountain Trail Fest is a trail running event at Mud Mountain Dam in Enumclaw, Washington on July 11, 2026. It offers a 4 Miler and a 10K on forested trails described as moderately challenging.

An all-ages glow run through the Snoqualmie Tunnel on the Palouse to Cascades trail with LED lighting, two participant waves, onsite merch options, and a post-race outdoor block party with food, games and drinks.

A fundraising trail race at Lost Lake Group Camp near Tonasket offering 11, 7, and 3 mile options plus a timed 7 mile and an untimed 7 mile walkers category, with proceeds and gear sales supporting the Okanogan Highlands Alliance.

A 5K trail run and walk at Tiger Mountain Family Nudist Park on July 12, 2026. Clothing is optional and the event includes on-site camping, pool facilities, awards and supervised storage for clothing.

A weekend of mountain trail races at Crystal Mountain near Mount Rainier with a half marathon, downhill 10K, and uphill 5K. Registration includes an all day gondola pass and on site expo, camping, and sustainability policies.

A 100 mile trail race in Easton, Washington, featuring over 23,000 feet of climbing, about 32 miles on the Pacific Crest Trail, and the 2.3 mile Snoqualmie Tunnel. Entry used a lottery and specific volunteer and race qualifier requirements..

Rogue//13 is a 13 hour endurance challenge in Spokane using repeated 4.5 mile out and back passes on Quartz Mountain Lookout Trail. Aid is provided at Selkirk Lodge and finishers earn a patch or a buckle based on laps completed.

A forest-based obstacle event at Lacamas Lake Regional Park with a 4 miles course featuring 14+ obstacles, a new kids race for ages 4 to 8, multiple race waves, and cash prizes in the competitive division.

A roughly 3 mile obstacle trail run at Joint Base Lewis McChord on July 18, 2026, limited to 1,500 entrants. Waves of 25 start every five minutes and packet pickup includes a shirt, custom medal, bib and beverage ticket.

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